Yellow-throated Vireos arrive in South Carolina in late March, peak in late April (6.8% of checklists), and most are gone by early October.
When to look
First arrivalsMar 22-31late March
Common byMar 22-31late March
PeakApr 22-30late April
Most gone byOct 1-7early October
Best: late April. First arrivals late March; most are gone by early October. Peak: on about 6.8% of South Carolina checklists.
Jannot usually seen
Febnot usually seen
Maruncommon
Aprpeak season
Maypeak season
Juncommon
Julcommon
Augcommon
Sepcommon
Octuncommon
Novnot usually seen
Decnot usually seen
Darker months: more checklists report it. Outlined: peak month.
Share of complete checklists reporting it, by week (4 per month). Grey bars: fewer than 10 checklists, not counted.
Frequency is the share of complete checklists in South Carolina that listed the bird, 2016–2025. It is not a head count, and it follows where and when people go birding. How to read it.
JanFebMarAprMayJunJulAugSepOctNovDec
today
0%few checklistsno data
Each county is shaded by the share of complete checklists there that listed the bird, blended with the weeks either side. Darker is more often. It follows where people watch birds, not how many birds there are. How to read it.
Weston LakeRichland County, best early September · 30 checklists that week, 1,471 in all54%
Big LakeRichland County, best late April · 40 checklists that week, 919 in all50%
Busy spots report more of everything; compare the checklist counts before you drive anywhere.
Best time of day
In South Carolina, the Yellow-throated Vireo is most often listed on checklists started between 6 and 8 am (3.5% of those checklists).
Share of checklists started in each local hour that reported it. It reflects when people go birding as well as when birds are active. Grey hours have too few checklists (under 2% of the state’s, or under 200) to judge.Week-by-week table
Month
Days 1-7
8-14
15-21
22-end
January
0%
0%
0%
0%
February
0%
0%
0%
0%
March
0%
0.1%
0.1%
1.9%
April
4.9%
6.0%
6.9%
7.0%
May
6.4%
5.8%
5.0%
4.6%
June
3.9%
3.4%
3.2%
3.3%
July
2.7%
2.1%
1.4%
1.1%
August
1.1%
1.3%
1.9%
2.9%
September
4.6%
4.1%
4.0%
2.7%
October
1.7%
1.1%
0.4%
0.1%
November
0%
0%
0%
0%
December
0%
0%
0%
0%
Neighboring states
North Carolina: arrives early April, 1 week later than South Carolina
Georgia: arrives mid March, 1 week earlier than South Carolina
Tennessee: arrives late March, in the same week than South Carolina
Virginia: arrives the second week of April, 2 weeks later than South Carolina
Common questions
When do Yellow-throated Vireos arrive in South Carolina?
Yellow-throated Vireos arrive in South Carolina in late March, peak in late April (6.8% of checklists), and most are gone by early October.
When do Yellow-throated Vireos leave South Carolina?
Most Yellow-throated Vireos have left South Carolina by early October, when reports fall below half their usual rate. Stragglers are still reported until the second week of October.
When is the best time to see a Yellow-throated Vireo in South Carolina?
The Yellow-throated Vireo is reported most often in late April, on about 6.8% of South Carolina checklists.
Where in South Carolina are Yellow-throated Vireos seen most often?
By county, Union County, Hampton County, and Marion County have the highest peak reporting rates for the Yellow-throated Vireo (counties with at least 200 checklists).